FLITZA is the best-known, though not the only, vehicle in the Shark series. Funky developed several related designs for various purposes.

Shark ModelFunctionSpecial Feature
SprintRacing boatMaximum acceleration over short distances
CourierCourier servicesSmall cargo box and open-wing receiving compartment
RescueWater rescueSide-mounted retrieval mechanism for injured persons
BiteInterceptor boatReinforced bow and towing hook
FLITZAPersonal prototypeUnreasonably fast; officially “still under testing”

The series was never patented. All blueprints are publicly available; however, the FLITZA version includes several modules that funky has labeled as “use at your own stupidity.”